221402155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5783}}^1$

素因数の和:5851

約数の個数: 32

約数和(自身を含む): 310947840

約数和(自身を除く): 89545685

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 5783, 7657, 28915, 38285, 75179, 109877, 179273, 375895, 549385, 896365, 1428401, 2330549, 3406187, 7142005, 11652745, 17030935, 44280431, 221402155]

約数ペア:

[(1, 221402155), (5, 44280431), (13, 17030935), (19, 11652745), (31, 7142005), (65, 3406187), (95, 2330549), (155, 1428401), (247, 896365), (403, 549385), (589, 375895), (1235, 179273), (2015, 109877), (2945, 75179), (5783, 38285), (7657, 28915)]